Generation
TSi1 TSi4 TSi2 TSi3

Single Iron Generation

Used Titleist TSi4 Single Irons

2021

The TSi4 variant is designed for faster swingers, featuring a more compact head and extreme forward weighting for ultra-low spin. This promotes a piercing ball flight with exceptional workability, ideal for elite players prioritizing precision and reduced spin for aggressive drives.

Release timeline

Oldest → newest

  1. 2020
    TSi3 TSi2
  2. 2021
    TSi4 TSi1

The Titleist TSi4 generation doesn't include any single irons.

View all Titleist single irons → View other club types

TSi4 in other club types

Browse TSi4 (all club types) →

Driver Generation

Available

Drivers

1

1 variant

Ultra-low spin, piercing flight, maximum control.

Browse Drivers →